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Finding the Fourth Proportional to 493,612.20, 740,418.30 and 244,261.80

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Solution

The fourth proportional to 493,612.20, 740,418.30 and 244,261.80 is: 366,392.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,612.20 : 740,418.30 = 244,261.80 : x
  2. Step 2: Convert to fraction form
    493,612.20/740,418.30 = 244,261.80/x
  3. Step 3: Cross multiply
    493,612.20x = 740,418.30 × 244,261.80
  4. Step 4: Simplify right side
    493,612.20x = 180,855,906,710.94
  5. Step 5: Solve for x
    x = 180,855,906,710.94/493,612.20
  6. Step 6: Final answer
    x = 366,392.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.